The decimal expansion of the fractions where the denominator is not a power of ten nor one of the 'easy' numbers has been rounded to 8 decimals, so it may or may not show the repeating pattern for non-terminating decimals, and it may or may not show all the decimal digits for terminating decimals.
1 a.
18
= 0.18
100
1 b.
9
= 2.25
4
2 a.
6
= 0.6
10
2 b.
17
= 5.66666667
3
3 a.
99
= 9.9
10
3 b.
178
= 8.9
20
4 a.
39
= 0.78
50
4 b.
38
= 4.22222222
9
5 a.
23
= 5.75
4
5 b.
4
= 0.8
5
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